Ignore stations without coordinates in distance calculation

Reported by @marudor
This commit is contained in:
Daniel Friesel 2019-04-21 15:46:19 +02:00
parent 24d0943cdc
commit 78b2d995ef
3 changed files with 67 additions and 11 deletions

View file

@ -479,6 +479,22 @@ qq{select * from pending_mails where email = ? and num_tries > 1;}
}
);
$self->helper(
'numify_skipped_stations' => sub {
my ( $self, $count ) = @_;
if ( $count == 0 ) {
return 'INTERNAL ERROR';
}
if ( $count == 1 ) {
return
'Eine Station ohne Geokoordinaten wurde nicht berücksichtigt.';
}
return
"${count} Stationen ohne Geookordinaten wurden nicht berücksichtigt.";
}
);
$self->helper(
'get_departures' => sub {
my ( $self, $station, $lookbehind ) = @_;
@ -1407,13 +1423,17 @@ qq{select * from pending_mails where email = ? and num_tries > 1;}
? $ref->{rt_arrival}->epoch
- $ref->{rt_departure}->epoch
: undef;
$ref->{km_route}
my ( $km, $skip )
= $self->get_travel_distance( $ref->{from_name},
$ref->{to_name}, $ref->{route} );
$ref->{km_beeline}
$ref->{km_route} = $km;
$ref->{skip_route} = $skip;
( $km, $skip )
= $self->get_travel_distance( $ref->{from_name},
$ref->{to_name},
[ $ref->{from_name}, $ref->{to_name} ] );
$ref->{km_beeline} = $km;
$ref->{skip_beeline} = $skip;
my $kmh_divisor
= ( $ref->{rt_duration} // $ref->{sched_duration}
// 999999 ) / 3600;
@ -1531,6 +1551,7 @@ qq{select * from pending_mails where email = ? and num_tries > 1;}
my ( $self, $from, $to, $route_ref ) = @_;
my $distance = 0;
my $skipped = 0;
my $geo = Geo::Distance->new();
my @route = after_incl { $_ eq $from } @{$route_ref};
@route = before_incl { $_ eq $to } @route;
@ -1548,14 +1569,19 @@ qq{select * from pending_mails where email = ? and num_tries > 1;}
for my $station_name (@route) {
if ( my $station = get_station($station_name) ) {
$distance
+= $geo->distance( 'kilometer', $prev_station->[3],
$prev_station->[4], $station->[3], $station->[4] );
if ( $#{$prev_station} >= 4 and $#{$station} >= 4 ) {
$distance
+= $geo->distance( 'kilometer', $prev_station->[3],
$prev_station->[4], $station->[3], $station->[4] );
}
else {
$skipped++;
}
$prev_station = $station;
}
}
return $distance;
return ( $distance, $skipped );
}
);

View file

@ -123,6 +123,20 @@ my @migrations = (
}
);
},
# v2 -> v3
# A bug in the journey distance calculation caused excessive distances to be
# reported for routes covering stations without GPS coordinates. Ensure
# all caches are rebuilt.
sub {
my ($dbh) = @_;
return $dbh->do(
qq{
delete from journey_stats;
update schema_version set version = 3;
}
);
},
);
sub setup_db {

View file

@ -89,19 +89,35 @@
<tr>
<th scope="row">Entfernung</th>
<td>
% if ($journey->{skip_route}) {
<i class="material-icons right">gps_off</i>
<%= numify_skipped_stations($journey->{skip_route}) %><br/>
% }
% if ($journey->{km_route} > 0.1) {
ca. <%= sprintf('%.f', $journey->{km_route}) %> km
(Luftlinie: <%= sprintf('%.f', $journey->{km_beeline}) %> km)
% }
% else {
?
% }
(Luftlinie: <%= sprintf('%.f', $journey->{km_beeline}) %> km)
</td>
</tr>
<tr>
<th scope="row">Geschwindigkeit</th>
<td>
∅ <%= sprintf('%.f', $journey->{kmh_route}) %> km/h
(<%= sprintf('%.f', $journey->{kmh_beeline}) %> km/h)
% if ($journey->{edited} & 0x0303) {
% if ($journey->{skip_route}) {
<i class="material-icons right">gps_off</i>
<%= numify_skipped_stations($journey->{skip_route}) %><br/>
% }
% if ($journey->{km_route} > 0.1 and $journey->{kmh_route} > 0.01) {
∅ <%= sprintf('%.f', $journey->{kmh_route}) %> km/h
(<%= sprintf('%.f', $journey->{kmh_beeline}) %> km/h)
% if ($journey->{edited} & 0x0303) {
% }
% }
% else {
?
% }
</td>
</tr>